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New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here. This user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  MTVOLWQM_WQX >  MTVOLWQM_WQX-BHMR

Big Hole - at Maiden Rock (MTVOLWQM_WQX-BHMR) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This river/stream site, maintained by the Montana Volunteer Water Quality Monitoring (identifier MTVOLWQM_WQX), has the name "Big Hole - at Maiden Rock" and has the identifier MTVOLWQM_WQX-BHMR. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10020004.

This site is located in Silver Bow County County, Montana at 45.7023080000 degrees latitude and -112.7356280000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "MTVOLWQM_WQX-BHMR" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Nutrient 2020 - 2024
Physical 2020 - 2024
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier MTVOLWQM_WQX
OrganizationFormalName Montana Volunteer Water Quality Monitoring
MonitoringLocationIdentifier MTVOLWQM_WQX-BHMR
MonitoringLocationName Big Hole - at Maiden Rock
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Chosen due to public access, USGS station, and major land form/use change occurring downstream. Moose Creek runs in just below the bridge crossing while Canyon Creek runs in just above the bridge.
HUCEightDigitCode 10020004
LatitudeMeasure 45.7023080000
LongitudeMeasure -112.7356280000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 30
CountyCode 093
ProviderName STORET